も[同然「どうぜん」]だ => The same as saying A, as good as A N2
Adjectival, Descriptions
[一方「いっぽう」]だ => Change A continues, A does not stop N2
Miscellaneous
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
[一方「いっぽう」] => On one hand A, on the other, B; Although A, at the same time, B N2
Contrast,Surprise